Post Melville Davisson Post 
Monsieur Jonquelle 

Monsieur Jonquelle is no ordinary prefect of police of Paris. With cool intellect and charm, he can see into the heart of the most perplexing of crimes. From the jungles of the Congo to the sun bathed streets of Nice, criminals will find themselves outsmarted. This mastermind of mystery saves Russian heiresses, seeks out sneaking murderers, uncovers precious emeralds and tricks wily scoundrels into confessions. A classic detective of the highest calibre!This collection of mystery and crime adventures featuring skilled and eloquent French detective, Monsieur Jonquelle, written by Mellville Davisson Post, was first published in 1923.